According to the United States Census Bureau, the township has a total area of 55.0 square miles (142.5 km²), of which 51.6 square miles (133.7 km²) is land and 3.4 square miles (8.8 km²) (6.20%) is water.

At the 2000 census there were 2,570 people in 994 households, including 761 families, in the township. The population density was 49.8 people per square mile (19.2/km²). There were 1,468 housing units at an average density of 28.4/sq mi (11.0/km²). The racial makeup of the township was 98.29% White, 0.19% African American, 0.70% Native American, 0.16% from other races, and 0.66% from two or more races. Hispanic or Latino of any race were 0.54%.[1]

Of the 994 households 29.1% had children under the age of 18 living with them, 68.8% were married couples living together, 4.2% had a female householder with no husband present, and 23.4% were non-families. 18.5% of households were one person and 6.5% were one person aged 65 or older. The average household size was 2.57 and the average family size was 2.91.

The age distribution was 24.2% under the age of 18, 5.3% from 18 to 24, 28.0% from 25 to 44, 26.1% from 45 to 64, and 16.5% 65 or older. The median age was 40 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 105.9 males.

The median household income was $41,604 and the median family income was $44,559. Males had a median income of $29,417 versus $21,667 for females. The per capita income for the township was $19,027. About 5.2% of families and 7.3% of the population were below the poverty line, including 5.8% of those under age 18 and 6.7% of those age 65 or over.